相关实验视频

Updated: Jul 24, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

在含油煤层中,石油具有比煤炭更高的甲性潜力

Yang Li¹, TianQi Qin¹, Zhong Liang¹

¹State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science & Technology, Huainan 232001, Anhui, China.

|July 10, 2023

概括

研究了含油煤层中的微生物甲基生成. 石油样本比煤炭具有更高的甲性潜力,为石油提取和更安全的煤炭开采提供了洞察力.

科学领域:

* 地质微生物学
* 环境微生物学
* 煤炭科学煤炭科学

背景情况:

* 煤层中石油的存在威胁到安全和高效的煤矿开采.
* 在含油煤层中微生物技术的应用需要进一步研究.
*了解微生物的甲性潜力对于控制煤炭中的石油污染至关重要.

研究的目的:

* 分析来自含油煤层的煤炭和石油样本的生物甲生成潜力.
* 描述与石油和煤炭相关的微生物群落和代谢功能.
*为消除石油和减少煤炭开采中的危险提供见解.

主要方法:

* 厌氧化实验,以评估生物甲性潜力.
*用于微生物群体分析的高通量测序 (例如,操作分类学单位,多样性指数).
*元基因组分析以确定功能基因和代谢途径.
*代谢分析以确定煤炭和石油样本中的特定代谢物.

主要成果:

* 在90天的煤样本中,生物甲效率增加.
*石油样本在40天后显示大约是煤炭样本二次生成潜力的两倍.
* 微生物多样性在石油中低于煤炭中,具有明显的主导属和古物.
* 甲基因组分析显示,石油中甲代谢和酸降解基因的丰富性更高,煤中硫和生物素代谢基因更高.
*代谢物有所不同,煤样本显示和脂质,油样本显示有机酸.

结论:

*微生物甲基生成在含油煤层中起着重要作用.
*石油和煤炭中独特的微生物群落和代谢潜力为生物修复提供了机会.
* 发现为含油煤层中脱油策略提供了宝贵的参考.
* 这项研究有助于减少煤炭开采中与石油污染相关的危险.

更多相关视频

Experimental Study of the Relationship Between Particle Size and Methane Sorption Capacity in Shale

Experimental Study of the Relationship Between Particle Size and Methane Sorption Capacity in Shale

Published on: August 2, 2018

On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes

On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes

Published on: August 5, 2016

相关概念视频

Overview of Archaea

Overview of Archaea

Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...

Green Algae

Green Algae

Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...

Combustion Energy: A Measure of Stability in Alkanes and Cycloalkanes

Combustion Energy: A Measure of Stability in Alkanes and Cycloalkanes

The low reactivity in alkanes can be attributed to the non-polar nature of C–C and C–H σ bonds. Alkanes, therefore, were initially termed as “paraffins,” derived from the Latin words: parum, meaning “too little,” and affinis, meaning “affinity.”
Alkanes undergo combustion in the presence of excess oxygen and high-temperature conditions to give carbon dioxide and water. A combustion reaction is the energy source in natural gas, liquified...

Physical Properties of Alkanes

Physical Properties of Alkanes

Alkanes are nonpolar molecules due to the presence of only carbon and hydrogen atoms. The electronegativity difference between carbon and hydrogen is minimal, and hence alkanes have a zero dipole moment. This leads to the presence of only dispersion forces between the molecules. The strength of dispersion forces is dependent on the surface area of the molecules on which they act. Since the surface area increases with the molecular length for straight-chain alkanes, the dispersion forces also...

Inductive Effects on Chemical Shift: Overview

Inductive Effects on Chemical Shift: Overview

The protons in unsubstituted alkanes are strongly shielded with chemical shifts below 1.8 ppm. Methine, methylene, and methyl protons appear at approximately 1.7, 1.2 and 0.7 ppm, while the proton signal from methane appears at 0.23 ppm. An electronegative substituent, such as chlorine, withdraws the electron density from the protons, increasing their chemical shift. Progressive substitution of the hydrogens in methane by chlorine shifts the proton signals increasingly downfield, to 3.05 ppm in...

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.